The Motorola Droid has been the top selling Android smartphone. Now, the Droid 2 has arrived, just 10 months after the launch of the original. See how it has been updated and how it compares to other top devices.

Motorola Droid 2: Improving the No. 1 Android phone

The Motorola Droid has been the top selling Android smartphone. Now, the Droid 2 has arrived, just 10 months after the launch of the original. See how it has been updated and how it compares to other top devices.